Home / 3,561,747.61-5,342,546.49-866,086.78

Finding the Fourth Proportional to 3,561,747.61, 5,342,546.49 and 866,086.78

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Solution

The fourth proportional to 3,561,747.61, 5,342,546.49 and 866,086.78 is: 1,299,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,747.61 : 5,342,546.49 = 866,086.78 : x
  2. Step 2: Convert to fraction form
    3,561,747.61/5,342,546.49 = 866,086.78/x
  3. Step 3: Cross multiply
    3,561,747.61x = 5,342,546.49 × 866,086.78
  4. Step 4: Simplify right side
    3,561,747.61x = 4,627,108,886,524.40
  5. Step 5: Solve for x
    x = 4,627,108,886,524.40/3,561,747.61
  6. Step 6: Final answer
    x = 1,299,111.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.